Carotenoids and related compounds. Part XXI. Structure of neoxanthin (foliaxanthin)

L. Cholnoky, K. Györgyfy, A. Rónai, J. Szabolcs, Gy Tóth, Gail Galasko, A. K. Mallams, E. S. Waight, B. C.L. Weedon

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Abstract

Neoxanthin, a universal pigment in green leaves, has been shown to have the allenic structure 5,6-epoxy-3,3′,5′-trihydroxy-6′,7′-didehydro-5,6, 5′,6′-tetrahydro-β-carotene (IVa). Samples of lutein (XI), and of zeaxanthin (III), from various natural sources have been compared and their structures have been confirmed. Attempts to isolate taraxanthin, which Curl has suggested may be identical with neoxanthin, yielded the well known epoxide (XIV) of lutein but no carotenoid possessing the O4 formulation proposed for taraxanthin.

Original languageEnglish
Pages (from-to)1256-1263
Number of pages8
JournalJournal of the Chemical Society C: Organic
Issue number9
DOIs
Publication statusPublished - Jan 1 1969

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ASJC Scopus subject areas

  • Organic Chemistry

Cite this

Cholnoky, L., Györgyfy, K., Rónai, A., Szabolcs, J., Tóth, G., Galasko, G., Mallams, A. K., Waight, E. S., & Weedon, B. C. L. (1969). Carotenoids and related compounds. Part XXI. Structure of neoxanthin (foliaxanthin). Journal of the Chemical Society C: Organic, (9), 1256-1263. https://doi.org/10.1039/J39690001256